0001019687-08-004175 SC 13D/A 1 20080916 20080916 DAVID GELBAUM, TRUSTEE MONICA CHAVEZ GELBAUM, TRUSTEE THE QUERCUS TRUST ENVIRONMENTAL POWER CORP 0000805012 4991 042782065 DE 1231 SC 13D/A 34 005-39155 081073994 120 WHITE PLAINS RD SUITE 610 TARRYTOWN NY 10591-5546 914-631-1435 120 WHITE PLAINS RD SUITE 610 TARRYTOWN NY 10591-5546 Quercus Trust 0001403463 552829330 CA 1231 SC 13D/A 2309 SANTIAGO DRIVE NEWPORT BEACH CA 92660 310-201-7481 2309 SANTIAGO DRIVE NEWPORT BEACH CA 92660 SC 13D/A 1 quercus_environ13da4-091008.txt AMENDMENT NO. 4